Finding the Fourth Proportional to 1,348.90, 1,861.52 and 759.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.90 : 1,861.52 = 759.45 : x
2. Step 2: Convert to fraction form
   1,348.90/1,861.52 = 759.45/x
3. Step 3: Cross multiply
   1,348.90x = 1,861.52 × 759.45
4. Step 4: Simplify right side
   1,348.90x = 1,413,734.55
5. Step 5: Solve for x
   x = 1,413,734.55/1,348.90
6. Step 6: Final answer
   x = 1,048.07